June weather forecast
Bethlehem, PA

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A tranquil setting of dry trees and neat fields behind this large hall in the Lehigh University in Bethlehem, Pennsylvania
A tranquil setting of dry trees and neat fields behind this large hall in the Lehigh University in Bethlehem, Pennsylvania

Weather in June

By June, Bethlehem revels in the full swing of summer, accompanied by a consistent change in the weather pattern. The temperature inches up to 77.4°F (25.2°C), echoing the intensity of the summer season across the region. Days are lengthier, and there is a considerable spike in sunshine hours which cap at 15 per day. Simultaneously, prevailing winds slightly lose their force, contributing to calm and balmy afternoons. Despite the higher UV index of 6, residents and visitors alike plunge themselves in a myriad of sun-drenched activities, from outdoor sports to weekend trips to the beach.

Temperature

The beginning of June signals a minor rise in the average high-temperature, moving from a pleasant 69.6°F (20.9°C) in May to a warm 77.4°F (25.2°C). Throughout the month of June, Bethlehem sees a steady low-temperature average of 57.9°F (14.4°C).

Humidity

In Bethlehem, the average relative humidity in June is 78%.

Rainfall

In Bethlehem, during June, the rain falls for 15.8 days and regularly aggregates up to 2.4" (61mm) of precipitation. In Bethlehem, during the entire year, the rain falls for 153 days and collects up to 26.81" (681mm) of precipitation.

Snowfall

In Bethlehem, snow does not fall in June through September.

Daylight

The month with the longest days is June, with an average of 15h and 0min of daylight.
On the first day of June, sunrise is at 5:32 am and sunset at 8:26 pm. On the last day of the month, sunrise is at 5:34 am and sunset at 8:36 pm EDT.

Sunshine

The average sunshine in June is 9.6h.

UV index

The months with the highest UV index are May through July, with an average maximum UV index of 6. A UV Index of 6 to 7 symbolizes a high health hazard from unsafe exposure to UV radiation for the average person.
Note: A maximum high UV index of 6 in June translates into the following recommendations:
Take precautions against overexposure. Protection against sun damage is needed. Avoid direct Sun exposure and seek shade between 10 a.m. and 4 p.m., when UV radiation is at its peak, but keep in mind that not all shade structures provide complete protection. Sun-related eye harm can be minimized with proper sunglasses offering UVA and UVB coverage.

Frequently asked questions

What are the temperatures in June?

June temperatures vary between a high-temperature of 77.4°F (25.2°C) and a low-temperature of 57.9°F (14.4°C).

What is the average humidity in June?

In June, the average relative humidity is 78%.

How much does it rain in June?

In Bethlehem, during June, the rain falls for 15.8 days and regularly aggregates up to 2.4" (61mm) of precipitation.

When it does not snow?

In Bethlehem, snow does not fall in June through September.

Does it snow in June?

In June, it doesn't snow. May is the latest month when it typically snows.

When are the longest days?

The month with the longest days in Bethlehem is June, with an average of 15h and 0min of daylight.

How many hours of daylight does Bethlehem have in June?

In Bethlehem, the average day length in June is 15h and 2min.

What time are sunrise and sunset in June in Bethlehem?

On the first day of June, sunrise is at 5:32 am and sunset at 8:26 pm. On the last day of the month, sunrise is at 5:34 am and sunset at 8:36 pm EDT.

How many hours of sunshine does Bethlehem have in June?

In Bethlehem, the average sunshine duration in June is 9.6h.

What is the month with the highest UV index?

May through July, with an average maximum UV index of 6, are months with the highest UV index.

What is the UV index intensity in June?

In Bethlehem, the average daily maximum UV index in June is 6. A UV Index estimate of 6 to 7 represents a high health vulnerability from exposure to Sun's UV rays.
Average humidity
Average rainfall days
Average snowfall
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in June
Bethlehem, PA

Average temperature in June - Bethlehem, PA
  • Average high temperature in June: 77.4°F

The warmest month (with the highest average high temperature) is July (83.5°F).
The month with the lowest average high temperature is January (34°F).

  • Average low temperature in June: 57.9°F

The month with the highest average low temperature is July (63.5°F).
The coldest month (with the lowest average low temperature) is January (21.6°F).

Average pressure in June
Bethlehem, PA

Average pressure in June - Bethlehem, PA
  • Average pressure in June: 29.94"Hg

The month with the highest atmospheric pressure is November (30.12"Hg).
The month with the lowest atmospheric pressure is June (29.94"Hg).

Average wind speed in June
Bethlehem, PA

Average wind speed in June - Bethlehem, PA
  • Average wind speed in June: 5.8mph

The windiest month (with the highest average wind speed) is March (8.1mph).
The calmest month (with the lowest average wind speed) is August (5mph).

Average humidity in June
Bethlehem, PA

Average humidity in June - Bethlehem, PA
  • Average humidity in June: 78%

The month with the highest relative humidity is February (82%).
The months with the lowest relative humidity are April and July (76%).

Average rainfall in June
Bethlehem, PA

Average rainfall in June - Bethlehem, PA
  • Average rainfall in June: 2.4"

The wettest month (with the highest rainfall) is July (2.91").
The driest month (with the least rainfall) is September (1.57").

Average rainfall days in June
Bethlehem, PA

Average rainfall days in June - Bethlehem, PA
  • Average rainfall days in June: 15.8 days

The month with the highest number of rainy days is May (17.8 days).
The month with the least rainy days is January (7.8 days).

Average snowfall in June
Bethlehem, PA

Average snowfall in June - Bethlehem, PA
  • Average snowfall in June: 0"

The month with the highest snowfall is March (4.13").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in June
Bethlehem, PA

Average snowfall days in June - Bethlehem, PA
  • Average snowfall days in June: 0 days

The months with the highest number of snowfall days are January and February (7.8 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average daylight in June /
Average sunshine in June
Bethlehem, PA

Average daylight in June / Average sunshine in June - Bethlehem, PA
  • Average daylight in June: 15h and 0min

The month with the longest days is June (Average daylight: 15h and 0min).
The month with the shortest days is December (Average daylight: 9h and 18min).

  • Average sunshine in June: 9h and 4min

The month with the most sunshine is July (Average sunshine: 10h and 24min).
The month with the least sunshine is February (Average sunshine: 4h and 30min).

Average sunshine days in June
Bethlehem, PA

Average sunshine days in June - Bethlehem, PA
  • Average sunshine days in June: 12.3 days

The month with the most sunshine days is November (18.9 days).
The month with the least sunshine days is May (11 days).

Average UV index in June
Bethlehem, PA

Average UV index in June - Bethlehem, PA
  • Average UV index in June: 6

The months with the highest UV index are May, June and July (UV index 6).
The months with the lowest UV index are January, February, March, November and December (UV index 2).

Average cloud cover in June
Bethlehem, PA

Average cloud cover in June - Bethlehem, PA
  • Average cloud cover in June: 39

The month with the most cloud cover is February (Cloud cover 51).
The month with the least cloud cover is July (Cloud cover 34).

Average visibility in June
Bethlehem, PA

Average visibility in June - Bethlehem, PA
  • Average visibility in June: 6mi

The months with the highest visibility are April, June and November (6mi).
The months with the lowest visibility are January, February, March, May, July, August, September, October and December (5mi).

Bethlehem, Pennsylvania, USA

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